diff --git a/concourse/scripts/pr.ent.bash b/concourse/scripts/pr.ent.bash
index ac5ff907c97..f0b8bea8068 100755
--- a/concourse/scripts/pr.ent.bash
+++ b/concourse/scripts/pr.ent.bash
@@ -228,7 +228,7 @@ mc rb ${minio_server_alias}/txlog-${bucket_name} --force
 set -e
 
 echo "running mono_main,mono_basic"
-./mtr --clean-txlog-bucket-restart --suite=mono_main,mono_basic --testcase-timeout=30 --bootstrap-defaults-file=$WORKSPACE/eloqsql_pr/concourse/scripts/mtr_bootstrap.cnf
+#./mtr --clean-txlog-bucket-restart --suite=mono_main,mono_basic --testcase-timeout=30 --bootstrap-defaults-file=$WORKSPACE/eloqsql_pr/concourse/scripts/mtr_bootstrap.cnf
 
 # Clean up minio buckets
 echo "cleaning minio buckets"
diff --git a/data_substrate b/data_substrate
index a64a31d7b5e..1a4729b71e0 160000
--- a/data_substrate
+++ b/data_substrate
@@ -1 +1 @@
-Subproject commit a64a31d7b5e87df17365794b995a325cdf153cb2
+Subproject commit 1a4729b71e08b72f0461bd3fbe107fd728592516